:root {
  color-scheme: dark;
  --bg: #10161b;
  --panel: rgba(19, 31, 38, 0.92);
  --panel-strong: #17252e;
  --ink: #eff8f6;
  --muted: #a8b9b8;
  --line: rgba(190, 221, 214, 0.18);
  --teal: #16c7a3;
  --teal-soft: rgba(22, 199, 163, 0.14);
  --amber: #f2b84b;
  --amber-soft: rgba(242, 184, 75, 0.14);
  --rose: #f06f86;
  --blue: #7db7ff;
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 18% 12%, rgba(22, 199, 163, 0.16), transparent 30rem),
    radial-gradient(circle at 86% 18%, rgba(242, 184, 75, 0.12), transparent 26rem),
    linear-gradient(180deg, #0f171d 0%, var(--bg) 42%, #0c1216 100%);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line);
  background: rgba(13, 20, 25, 0.88);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 2.35rem;
  height: 2.35rem;
  place-items: center;
  border: 1px solid rgba(22, 199, 163, 0.42);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(22, 199, 163, 0.24), rgba(125, 183, 255, 0.13));
  color: #d9fff7;
  font-size: 0.78rem;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 0.76rem;
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem;
}

.top-nav a {
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0.45rem 0.7rem;
  color: var(--muted);
  font-size: 0.9rem;
  text-decoration: none;
}

.top-nav a:focus-visible,
.top-nav a:hover {
  border-color: var(--line);
  color: var(--ink);
  outline: none;
}

main {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  gap: clamp(1rem, 3vw, 2rem);
  align-items: center;
  padding: clamp(2rem, 5vw, 4.2rem) 0 1.4rem;
}

.hero-copy {
  padding: 1rem 0;
}

.eyebrow {
  margin: 0 0 0.55rem;
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 12ch;
  margin-bottom: 1rem;
  font-size: clamp(2.55rem, 7vw, 5.5rem);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0.8rem;
  font-size: clamp(1.35rem, 2.4vw, 2.05rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0.4rem;
  font-size: 1.02rem;
}

.hero-lede {
  max-width: 40rem;
  color: #d4e7e3;
  font-size: clamp(1.02rem, 1.5vw, 1.22rem);
}

.hero-actions,
.checklist-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.button {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.68rem 0.95rem;
  color: var(--ink);
  cursor: pointer;
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  border-color: rgba(22, 199, 163, 0.7);
  background: var(--teal);
  color: #06251f;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.04);
}

.button.ghost {
  background: transparent;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  outline: 2px solid rgba(22, 199, 163, 0.35);
  outline-offset: 2px;
}

.trust-note,
.small-note,
.assumption-list,
.section-heading p,
.affiliate-slot p {
  color: var(--muted);
}

.trust-note {
  margin: 1rem 0 0;
  font-size: 0.93rem;
}

.tool-panel,
.stats-strip article,
.decision-table,
.sources,
.affiliate-slot {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.tool-panel {
  padding: clamp(1rem, 2.3vw, 1.5rem);
}

.hero-tool {
  position: relative;
  overflow: hidden;
}

.hero-tool::before {
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--teal), var(--amber), var(--blue));
  content: "";
}

.panel-heading {
  margin-bottom: 1rem;
}

.checker-form,
.calculator-grid {
  display: grid;
  gap: 0.9rem;
}

.calculator-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

label,
legend {
  color: #dbe9e6;
  font-size: 0.94rem;
  font-weight: 700;
}

select,
textarea,
input[type="email"],
input[type="number"],
input[type="text"] {
  width: 100%;
  min-height: 2.8rem;
  margin-top: 0.35rem;
  border: 1px solid rgba(190, 221, 214, 0.28);
  border-radius: 8px;
  background: #0e171d;
  color: var(--ink);
  padding: 0.6rem 0.7rem;
}

select:focus,
textarea:focus,
input:focus {
  border-color: var(--teal);
  outline: none;
}

textarea {
  min-height: 7rem;
  resize: vertical;
}

fieldset {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.8rem;
}

.radio-row,
.checklist label {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  color: var(--muted);
  font-weight: 600;
}

.result-box {
  margin-top: 1rem;
  border: 1px solid rgba(22, 199, 163, 0.35);
  border-radius: 8px;
  background: var(--teal-soft);
  padding: 1rem;
}

.result-box.warning {
  border-color: rgba(242, 184, 75, 0.45);
  background: var(--amber-soft);
}

.result-box.blocked {
  border-color: rgba(240, 111, 134, 0.45);
  background: rgba(240, 111, 134, 0.12);
}

.result-box.compact {
  min-height: 7rem;
}

.result-box strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 1.1rem;
}

.result-kicker {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--teal);
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.stats-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 0 0 1rem;
}

.stats-strip article {
  padding: 1rem;
}

.stats-strip span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.stats-strip strong {
  display: block;
  margin: 0.25rem 0;
  color: #f8fffd;
  font-size: 1.35rem;
}

.stats-strip p {
  margin-bottom: 0;
  color: var(--muted);
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}

.meter {
  height: 0.75rem;
  margin: 1rem 0 0;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.meter span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--teal), var(--amber));
  transition: width 180ms ease;
}

.checklist {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.checklist input,
.radio-row input {
  width: 1rem;
  height: 1rem;
  margin-top: 0.2rem;
  accent-color: var(--teal);
}

.decision-table,
.sources,
.guide-link-strip,
.affiliate-slot {
  margin: 1rem 0;
  padding: clamp(1rem, 2.3vw, 1.5rem);
}

.table-wrap {
  max-width: 100%;
  overflow-x: auto;
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 0.85rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

th {
  color: #e7f7f3;
  font-size: 0.82rem;
  text-transform: uppercase;
}

td {
  color: var(--muted);
}

.affiliate-slot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background:
    linear-gradient(135deg, rgba(242, 184, 75, 0.12), rgba(22, 199, 163, 0.09)),
    var(--panel-strong);
}

.affiliate-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.guide-link-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(125, 183, 255, 0.12), rgba(22, 199, 163, 0.08)),
    var(--panel);
  box-shadow: var(--shadow);
}

.guide-link-strip p {
  max-width: 58rem;
  margin-bottom: 0;
  color: var(--muted);
}

.guide-shell {
  padding-top: 1rem;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.breadcrumb a {
  color: #9eeede;
  font-weight: 800;
  text-decoration: none;
}

.guide-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: clamp(1rem, 3vw, 2rem);
  align-items: end;
  padding: clamp(2rem, 5vw, 4rem) 0 1rem;
}

.guide-hero h1 {
  max-width: 15ch;
}

.fact-card,
.guide-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.fact-card {
  padding: clamp(1rem, 2.3vw, 1.5rem);
}

.fact-list {
  display: grid;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.fact-list li {
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.65rem;
  color: var(--muted);
}

.fact-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.guide-layout {
  display: grid;
  gap: 1rem;
  margin: 1rem 0;
}

.guide-layout > *,
.status-grid > * {
  min-width: 0;
}

.status-grid {
  display: grid;
  gap: 1rem;
  margin: 1rem 0;
}

.guide-card {
  min-width: 0;
  padding: clamp(1rem, 2.4vw, 1.65rem);
}

.guide-card p {
  color: var(--muted);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.8rem;
}

.metric-grid div {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
  padding: 1rem;
}

.metric-grid span {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
}

.metric-grid strong {
  display: block;
  margin-top: 0.3rem;
  font-size: 1.7rem;
}

.source-grid-card .source-grid {
  margin-top: 0.6rem;
}

.sponsor-form {
  display: grid;
  gap: 0.9rem;
}

.consent-row {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  color: var(--muted);
}

.consent-row input {
  width: 1rem;
  height: 1rem;
  margin-top: 0.25rem;
  accent-color: var(--teal);
}

#sponsor-form-status[data-state="ok"] {
  color: #9eeede;
}

#sponsor-form-status[data-state="error"] {
  color: var(--rose);
}

.source-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.source-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
  padding: 1rem;
}

.source-grid p {
  color: var(--muted);
}

.source-grid a {
  color: #9eeede;
  font-weight: 800;
}

.copy-block {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.22);
  padding: 1rem;
  color: #e7f7f3;
  white-space: pre-wrap;
}

.copy-block code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.9rem;
  line-height: 1.55;
}

.site-footer {
  width: min(1180px, calc(100% - 2rem));
  margin: 2rem auto 0;
  padding: 1.5rem 0 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 900px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .top-nav {
    justify-content: flex-start;
  }

  .hero-grid,
  .guide-hero,
  .content-grid,
  .stats-strip,
  .metric-grid,
  .source-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    padding-top: 1.4rem;
  }

  h1 {
    max-width: 10.5ch;
  }

  .guide-link-strip,
  .affiliate-slot {
    align-items: flex-start;
    flex-direction: column;
  }

  .affiliate-actions {
    width: 100%;
  }
}

@media (max-width: 560px) {
  main,
  .site-footer {
    width: min(100% - 1rem, 1180px);
  }

  .calculator-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions,
  .checklist-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }
}